Add Yahoo as a preferred source to see more of our stories on Google. A mysterious "rogue planet" has been observed gobbling 6 billion tons of gas and dust a second — an unprecedented rate that blurs ...

A mysterious new world may be hiding in the outer reaches of our solar system. According to arecent study published on arXiv by Amir Siraj of Princeton University and colleagues, a previously unknown ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

Does our solar system have a mysterious ninth planet? The discovery of a new dwarf world suggests not. It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is ...

If you think you've met the wildest exoplanet yet, you haven't learned about TOI-4507 b. Second, TOI-4507 b is on a nearly polar orbit; it swings around its star almost perfectly perpendicular to the ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it. Some astronomers ...

A mysterious "rogue planet" has been observed gobbling 6 billion tons of gas and dust a second — an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday. Unlike ...

Does our solar system have a mysterious ninth planet? The discovery of a new dwarf world suggests not - Copyright AFP Eyad BABA Does our solar system have a ...

It's an evocative idea that has long bedevilled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it. The Barron's ...